1905–1915
American 20th Century, 1957
Ross J. Kelbaugh, 1931
American 20th Century, 1935
Ross J. Kelbaugh, 1908
American 20th Century, 1967
Ford Foundation, 1875
Ross J. Kelbaugh, 1875
Ross J. Kelbaugh, 1915
Ross J. Kelbaugh, 1842
American 20th Century, 1948
